Apparatus for dispensing gasoling and the like



7 June 24, 1930. 5. J. PococK APPARATUS FOR DISPENSING GASOLINE AND THELIKE Filed Sept. 27. 1926 H- II II .p.

Patented June 24, 1930 UNITED 'STATES PATENT OFFICE SYLYESTER-JOSEPHPOCOCK, OF ST. MARYS, ONTARIO,- CANADA, ASSIGNOR OF ONE- HALF TO JOHNKNOX RICHARDSON, OF ST; MARY S, ONTARIO, CANADA APPARATUS FOR DISPENSINGGASOLINE AND Application filed September 27, 1926. Serial No. 138,073.

My invention relates to improvements in apparatus for dispensinggasoline and the like. The object of the invention is to devise a verysimple attachment to a gasoline dispenser which may be manufactured atminimum cost and which ismanually operated and coin actuated so that thecorrect amount of gasoline or oil or other. liquid may be delivered tothe customer at the price prevailing at any given time, in which theresponsibility of the attendant for the dispensing of the gasoline isrelieved, and'by which gasoline may be dispensed at any time during thenight or day without the employment of an attendant. With these andother objects in View I have devised a coin actuated device for thedispensing of gasoline essentially of the arrangement and constructionof-parts hereinafter more particularly described;

90 Figure 1 is a side elevation of "my device with the cover plateremovedand showing it connected co the coacting parts of a gasolinedlspenser;

Fig. 2 is a cross sectional view through the g5 center of Fig.1;

Fig. 3 is a vie'wtaken on the line 3-3 of Fig; 1 looking in thedirection of the arrows; and

Fig. 4 is an end elevation showingthe dis pensingcrank andassociated-parts.

1 indicates the vertically movable rack of a gasoline dispenser. 2 isthe operating shaft of the dispenser and 3 is'the operating crank.

.4 is a casing which is suitably mounted on the body of the dispenser. 5is a short shaft Journalled in the one wall of the dispenser I and uponwhich is mounted within the eas- 1ng4a frictionwheel 6. i i

- The friction wheel 6 is manually turned by a lever"? which is put intoactuating, connection with the friction wheel 6 by any suitable form ofcoin controlled mechanism, such as I will hereinafter describe.

8 is a bracket secured to the bottom of the casing 4 and upon which ispivotallymounted a rame comprising the upwardly extendlng members 9 and10. Horizontal guide bars 11 and 12 extend between the members ternalgear teeth and an internally threaded swung orifice 19 with which thethreaded spindle 16 meshes.

- It will thus be seen that when the gear wheel, 18 is turned it willtravel longitudinally of the shaft 16 carrying the casting 13 'wit-hit.i I

20 is a spindle" provided with longitudinal ribs in the form of gearteeth 21 which mesh with the outer teeth of the gear 18. The spindle 20is mounted at one endin the mem- "ber 9'and at the opposite end is asupplemental standard 22, carried byan extension '23 of'thebottom of thecasing 4. 24 is aworm gearsecured to the spindle 20. '25 is a wormsecured to the operating shaft 2 and meshing with the worm gear- 24.

' It will be seen by turning the operating crank 3 the shaft 2 will berevolved, revol ving the worm 25 and worm gear 24 which, 1n 1 Inthe'drawing like characters of reference.

lndlcate corresponding parts in eachfigure. I

turn revolves the 's indle 20- and the gear teeth 19 engaging t ethreaded spindle 16 as hereinbefore described. 1 K

The spindle 16 is provided at one end with a, squared portion 16 u onwhich a friction drivin pinions26 is sli ably mounted,

' Itwrll be noted that the spindle 16 is par- .allel' with thehorizontal diameter of the friction 'wheel 6 and that by moving thepinion 26 radiallyv in or out upon the squared portion, of the spindle16 t e driving ratio may be varied according to the requirements.

-'A' convenient means of adjusting pinion 26 is shown in Fig. 1 as a rod30, the lower end of which is pivoted 'as-at- 29 and its upper endprovided with a fork 32 engaging with pinion 30 on either side as shown;Rod 30 may be either to the right or the left as desired y any suitablemeans, such for example so a as the threaded shaft 37 which engages witha complementarily threaded sleeve 34 pivotally secured to red 30 andsupported -near its free ,end in a suitable bearing so designed that rod37 may turn but may not move end-- wise. Shaft 37 may be adjusted fromwithout the device by means of a key 39 suitably shaped to engage with aslot in the end of shaft 37, as shown at 38; When the desired secured atthe top of the casing 4 and bearing at its lower end against the upperend of the member 9'so as to force the pinion 26 into frictionalengagement with the friction face of the friction wheel 6. I will nowdescribe the means by which the lever 7 and friction wheel 6 areoperatively connected together by the insertion of a coin.

- normally in alignment with t 5 is a slot formed in the shaft 5arranged to receive the coin 58 in the position indicated in Fig. 2. 59is 'a sleeve provided with slots 60 and 61 diametricallyl opposite and Ie slot 5*. p The sleeve 59 is turnable upon the shaft 5 and is providedat its outer end'with a pintle 61' upon which the lever 7 is secured. 62is a housing provided with diametric slots 63 and 64 also in alignmentwith the slots 60, 61 and '5" when the parts are in the normal position.The length of slot 64 should be somewhat longer than the diameter of win58..

When the coin 58 is inserted in the position indicated and the leve'r 7turned the shaft 5 and sleeve 59 will thereby be locked together soas'to turn in unison and thereby turn the friction wheel 6 until thecoin is carried to an inverted position when it will of necessity dropout of the broad end of the slot '5" and through the slots 60 and 64into a suitable receptacle '(not shown). The lever 7 and at-.

tached sleeve 59 are then returned to their initial position for thenext coin. For convenience'the extent of rotation of lever 7 may belimited to 180 by some such stop as 7- shown in Fig. 2. Havingdescribedthe principal parts involved inmy invention I will br eflydescribe the operation of the same.

. The 0 rator of the device at the begin-' ning of t e days sale insertsthe key 39 so as to engage the spindle 37 which is turned to swing thearm 30 and carrying the.pinion 26 to a position corresponding to theamount or rate at which the gasoline is sold. The purchaser in order toobtain a uantity of gasoline, for example a quarter s worth, mserts thecoin 58 which may be a quarter in the osition shownin Fig. 2 and turnsthelever so as to carry the coin 58 to an inverted position to dischargeit as above described; By this means the friction wheel 6 is turned ahalf turn rotating the inion 26 a distance corresponding to its ra ialposition in relation to the friction wheel 6, that is to say, when theinion is close to the center of the friction w eel 6 it will travel acorresponding short distance when driven by such friction wheel and aproportionately long dis-: tance when situated towards the outer pe-'ing of the pinion 26 the spindle 16 is revolved a correspondin distancecarrying the casting 13 in the direction of arrow by reason of thethreaded connection 19 between the spindle 16 and gear 18.

During the travel of the casting 13 in the direction of arrow the gear18 slides upon the spindle 20, the teeth of the gear and spindleremaining in mesh.

When this operation iscomplete the purchaser operates the crank 3rotating the spindle 20 which being in driving engagement with the gear18 rotates such gear so "as to carry it and casting 13 in the reversedirection of the arrow upon the spindle'16.

The turning of the shaft 2 will also rotate riphery of such frictionwheel. By the turnthe gear 1* in mesh with the vertical rack 1" a of thedispensin device 65-so as to supply the gasoline to t e purchaser as thecasting 13 travels back to the member 10. When the casting 13 engagesthe .member 10 it is stopped "from further movement thereby limiting thedischarge ofgasoline.

Obviously some means must be provided to make the o eration of thedevice dependent .u on the insertion of a coin and to prevent itscontinued operation thereafter by simply turning the crank 3 backwardand forward. That is to say, a means should be provided to permit crank3 to be turned in one direction only while gasoline is being pumped andin the other direction only when the pumping is completed. 'Onewacomplishing this is by the doub e -pawl ratchet device shown in Fig. 1.

The action of a' double pawl'ratchet is-so well-known that a descriptionof its construction and mode of operation is hardly necessary. However,for the sake of com leteness it may be briefl described as fo ows: Adouble ratchet w eel 56 is keyed to shaft 2. A- double pawl 54 pivotedat 66 on bracket 53 bears at the end of each of its arms 67 and 68 a dog69 and 70, respectively. Arms 67 v and 68 are so shaped and pos tionedwith respect to ratchet wheel 56 that when one dog is in engagement withthe ratchet wheel the other dog will clear it entirely. Also each dog isshaped so as to permit the ratchet wheel to turn in one direction butnot inthe other,'the effect of the two dogs in this. re-

' the dog will yieldingly engage with the side of a battery 4 carried bycasting 13. The other side of batthe amount of gasoline dispensed.

ratchet teeth whereas the outer face of the dog will lock with the teethif an attempt is made to turn the ratchet wheel in the oppositedirection. Similarly dog 69 will operate to control rotation of theratchet wheel in the reverse direction when it is brought intovengagement with the ratchet wheel.

, The means provided for shifting the double pawl from one operatingposition to the other consists of a threaded arm 55 integral with orattached tothe double pawl. This is shown in Fig. 1 asextendingupwardlyito form the armature of an electromagnet 50. Normally arm 55 ismaintained in the opposite position from that shown in Fig. l by spring57 with dog 69 in engagement with ratchet wheel 56 to prevent operationof the gasoline'dispenser. Byexciting the electromagnet 5O armature 55will be attracted to the core 49, dog 69released and dog 70 engaged topermit the dispenser to be operated.

These steps in the operation of my'device are effected as follows:Electromagnet 50 in connected b wires 51 and 52 to one i and to acontact point 46 tery 47 connects by a wire 48 with a contact strip 45.Contact point 46 is so positioned that while it is normally out ofengagement with contact strip 45 it will make contact with it when thecasting 13 is moved from its normal position by the operation of leverContact is maintainedthereafter until casting 13 has been returned toits normal position. Then, the contact being broken,

the electromagnet will become deenergized,

the armature will be pulled away by spring.57

and theldogs shifted to permit "the dispenser being returned to itsinitial position.

What I claim as my invention is:

1. In a gasoline dispenser, a-casing, a friction meansrotatably mountedin the casing, means coacting with the purchasing coin for manuallyrotating said friction means a definite distance, a friction pinioncontacting with the face of saidfriction means, and means operated bythe pinion for limiting 2. In agasoline dispenser, a casing, africtionmeans rotatably mounted in the casing,

means coacting with the purchasing coin for manually rdtating saidfriction means a definite distance, a friction pinion contacting withthe face of said friction means,

means operated by the pinion for limiting the amount of gasolinedispensed, and means for varying the limit to correspond to themarketvalue ofthe gasoline at the date of sale. I

3. In a mechanism for operating a gasoline dispenser, the combinationwith the dispensing mechanism and the operating shaft,

of a casing, a friction wheel mounted in the casin means coacting with apurchasing coin for manually rotating the friction wheel a definitedistance, a friction pinion contacting with the'face of said wheel,spaced members, a movable member slidably mounted between the spacedmembers and having an opening, a threaded shaft journalled in the spacedmembers and extending through the movable. member and the openingthereof, a gear located in said opening and having an internallythreaded orifice through which 'the threaded shaft extends, a toothedspindle,

the teeth of which slidably engage the teeth of the internally threadedgear, a gear connection between the spindle and dispensing mechanism,and a gear connection between ment with the toothed wheel to prevent therotation of the shaft in the dispensing direction, and means operated bythe adjustment of the movable stop from the stationary stop forreversing the pawl so that the other member thereof engages thegear toprevent the rotating of the operating shaft in the dispensing directionand permit of 1ts rot opposite direction. 7

'5. In a device for operating a dlspenslng mechanism, a casing, afriction wheel rotatably mounted in the casing, means coacting with acoin for manually rotating said friction wheel a definite distance, afriction pin-ion contacting with the face of said wheel, and meansoperated by the pinion for limiting the amount of liquid dispensed.

6. In a device for operating a hquid disation in the 4 i penser, acasing, a friction wheel rotatably mounted in the casing, means coactingwith the purchasing coin for manually rotating said friction wheel adefinite distance, a. trio tion-pinion contacting with the face of; saidfriction wheel, means operatedby thepmion for limiting the amount ofliquiddispensed,

and means for varying said limit to correing mechanism, a casingpafrictionzwheel rotatably mounted in the casing, means coacting with thepurchasing coin for manually rotating said friction wheel a definitedis- 7 tance, a friction pinion contacting with said wheel, means foradjusting the plnion radi-' ally of the wheel, a movable member, meansfor moving said member within limits controlled by'the radial positionof the pinion upon the friction wheel,,and means operated by themovement of the movable member for dlspensing liquid in quantity inproportion to the extent of the movement of such movable member.

ing, a friction wheel rotatably mounted in said casing, a pinion mountedto engage the s 8. In a device oftheclass described, a casface of saidfriction wheel, means for varying the position of said pinion on theface of and friction wheel to thereby cause the pinion to move through adegree of rotation commensurate with the positionof said pinion, aspindle slidably mounted in said pinion to rotate a definite distance inres onse to the movement of said friction whee 9. In a device of theclass described, a casing, a friction wheel rotatably mounted in sa1dcasing, a pinion mounted to engage the face of said friction wheel,means for varying the position of said pinion on the face of saidfriction wheel to thereby cause the pinion to move through a degree ofrotation commensurate with the position of said pinion, a spindleslidably mounted in said pinion to rotate a definite distance inresponse to the movement of said friction wheel, means connected to saidfriction wheel and extending without said casin whereby a limitedrotation ma be repeat y imparted to said friction whee a stop casinslidably mount'ed adjacent said pinion spin e to be moved in onedirection in response to the repeated limited rotations of said frictionwheel.

SYLVESTER JOSEPH POCOCK.

